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US 10,428,172 B2Granted
Reactive polyurethane adhesive composition, polyurethane prepolymer, and flexible laminates including the same
AssigneeH.B. Fuller Company
InventorsWayne G. Eklund, Anthony J. Ostlund, Stephen G. Rippe, XiaJi Dai
Life of this patent
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Abstract
A polyurethane adhesive composition that includes a polyurethane prepolymer that includes the reaction product of a first polyol component that includes glycerol monoester and a polyisocyanate, and a second polyol. A polyurethane prepolymer that includes the reaction product of glycerol monoester, a hydroxy functional triglyceride, and a polyisocyanate.
Claims24
A polyurethane adhesive composition comprising:
- a polyurethane prepolymer comprising the reaction product of
- a first polyol component comprising
- glycerol monostearate, and
- a hydroxy functional triglyceride, and
- polyisocyanate;
- and
- a second polyol.
4 more elements
A polyurethane prepolymer comprising:
- the reaction product of
- glycerol monostearate,
- hydroxy functional triglyceride, and
- polyisocyanate,
- the polyurethane prepolymer comprising from 5% by weight to 25% by weight isocyanate groups.
2 more elements
A laminate comprising:
- a first layer;
- a polyurethane adhesive composition;
- and
- a second layer bonded to the first layer through the polyurethane adhesive composition,
- the polyurethane adhesive composition comprising a reaction product of
- a polyurethane prepolymer comprising
- a reaction product of a first polyol component comprising glycerol monostearate and a hydroxy functional triglyceride, and polyisocyanate;
- and
- a second polyol.
6 more elements
A two part polyurethane adhesive composition comprising:
- a first part comprising
- a polyurethane prepolymer comprising the reaction product of
- a first polyol component comprising glycerol monostearate and hydroxy functional triglyceride, and
- polyisocyanate;
- and
- a second part comprising a second polyol.
3 more elements
Dependencies are inferred from the claim text.